Product Details | PANEL SCREW ASSEMBLY

5305-01-592-6251 A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

Part Alternates: LSTW790010B8, LSTW7900-10-B8, 5305-01-592-6251, 01-592-6251, 5305015926251, 015926251

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 14 MAR 2011 01-592-6251

Cross Reference | NSN 5305-01-592-6251

Part Number Cage Code Manufacturer
LSTW7900-10-B8 06950 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
LSTW7900-10-B8 0HDW7 HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS

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Technical Data | NSN 5305-01-592-6251

Characteristic Specifications
THREAD DIRECTION RIGHT-HAND
HEAD HEIGHT 0.052 INCHES NOMINAL
MINIMUM TENSILE STRENGTH 1300 POUNDS PER SQUARE INCH
THREAD QUANTITY PER INCH 32
COLOR YELLOW OVERALL
SURFACE TREATMENT CADMIUM OVERALL
THREAD LENGTH 0.250 INCHES NOMINAL
COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
MATERIAL STEEL OVERALL
NOMINAL THREAD DIAMETER 0.190 INCHES
HEAD STYLE FLAT COUNTERSUNK UNDERCUT
THREAD SERIES DESIGNATOR UNJF
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TYPE II,CLASS 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
FASTENER LENGTH 1.008 INCHES MINIMUM AND 1.018 INCHES MAXIMUM
INTERNAL DRIVE STYLE TRI-WING RECESS
PART NAME ASSIGNED BY CONTROLLING AGENCY CAPTIVE SCREW
HEAD DIAMETER 0.375 INCHES NOMINAL
SPECIAL FEATURES STUD MATERIAL:8740 ALLOY STEEL PER AMS 6322, HEAT TREAT TO 160 KSI MIN. ULTIMATE TENSILE STRENGTH
THREAD CLASS 3A

Restrictions/Controls & Freight Information | NSN 5305-01-592-6251

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information